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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.so.bpmn.common.scripts
import org.onap.so.logger.LoggingAnchor
import org.camunda.bpm.engine.delegate.DelegateExecution
import org.onap.aai.domain.yang.GenericVnf
import org.onap.so.client.aai.AAIObjectType
import org.onap.so.client.aai.entities.uri.AAIResourceUri
import org.onap.so.client.aai.entities.uri.AAIUriFactory
import org.onap.so.client.graphinventory.entities.uri.Depth
import org.onap.logging.filter.base.ErrorCode
import org.onap.so.logger.MessageEnum
import org.slf4j.Logger
import org.slf4j.LoggerFactory
public class DeleteAAIVfModule extends AbstractServiceTaskProcessor{
private static final Logger logger = LoggerFactory.getLogger( DeleteAAIVfModule.class);
def Prefix="DAAIVfMod_"
ExceptionUtil exceptionUtil = new ExceptionUtil()
private MsoUtils utils = new MsoUtils()
public void initProcessVariables(DelegateExecution execution) {
execution.setVariable("prefix",Prefix)
execution.setVariable("DAAIVfMod_vnfId",null)
execution.setVariable("DAAIVfMod_vnfName",null)
execution.setVariable("DAAIVfMod_genVnfRsrcVer",null)
execution.setVariable("DAAIVfMod_vfModuleId",null)
execution.setVariable("DAAIVfMod_vfModRsrcVer",null)
execution.setVariable("DAAIVfMod_moduleExists",false)
execution.setVariable("DAAIVfMod_isBaseModule", false)
execution.setVariable("DAAIVfMod_isLastModule", false)
// DeleteAAIVfModule workflow response variable placeholders
execution.setVariable("DAAIVfMod_queryGenericVnfResponseCode",null)
execution.setVariable("DAAIVfMod_queryGenericVnfResponse","")
execution.setVariable("DAAIVfMod_parseModuleResponse","")
execution.setVariable("DAAIVfMod_deleteGenericVnfResponseCode",null)
execution.setVariable("DAAIVfMod_deleteGenericVnfResponse","")
execution.setVariable("DAAIVfMod_deleteVfModuleResponseCode",null)
execution.setVariable("DAAIVfMod_deleteVfModuleResponse","")
}
// parse the incoming DELETE_VF_MODULE request and store the Generic Vnf
// and Vf Module Ids in the flow DelegateExecution
public void preProcessRequest(DelegateExecution execution) {
def xml = execution.getVariable("DeleteAAIVfModuleRequest")
logger.debug("DeleteAAIVfModule Request: " + xml)
logger.debug("input request xml:" + xml)
initProcessVariables(execution)
def vnfId = utils.getNodeText(xml,"vnf-id")
def vfModuleId = utils.getNodeText(xml,"vf-module-id")
execution.setVariable("DAAIVfMod_vnfId", vnfId)
execution.setVariable("DAAIVfMod_vfModuleId", vfModuleId)
}
// send a GET request to AA&I to retrieve the Generic Vnf/Vf Module information based on a Vnf Id
// expect a 200 response with the information in the response body or a 404 if the Generic Vnf does not exist
public void queryAAIForGenericVnf(DelegateExecution execution) {
def vnfId = execution.getVariable("DAAIVfMod_vnfId")
try {
AaiUtil aaiUriUtil = new AaiUtil(this)
AAIResourceUri uri = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, vnfId)
uri.depth(Depth.ONE)
Optional<GenericVnf> genericVnf = getAAIClient().get(GenericVnf.class, uri)
if(genericVnf.isPresent()) {
execution.setVariable("DAAIVfMod_queryGenericVnfResponseCode", 200)
execution.setVariable("DAAIVfMod_queryGenericVnfResponse", genericVnf.get())
}else{
execution.setVariable("DAAIVfMod_queryGenericVnfResponseCode", 404)
execution.setVariable("DAAIVfMod_queryGenericVnfResponse", "Vnf Not Found!")
}
} catch (Exception ex) {
logger.debug("Exception occurred while executing AAI GET:" + ex.getMessage())
execution.setVariable("DAAIVfMod_queryGenericVnfResponse", "AAI GET Failed:" + ex.getMessage())
exceptionUtil.buildAndThrowWorkflowException(execution, 5000, "Internal Error - Occured during queryAAIForGenericVnf")
}
}
// construct and send a DELETE request to A&AI to delete a Generic Vnf
// note: to get here, all the modules associated with the Generic Vnf must already be deleted
public void deleteGenericVnf(DelegateExecution execution) {
try {
String vnfId = execution.getVariable("DAAIVfMod_vnfId")
AAIResourceUri uri = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, vnfId)
getAAIClient().delete(uri)
execution.setVariable("DAAIVfMod_deleteGenericVnfResponseCode", 200)
execution.setVariable("DAAIVfMod_deleteGenericVnfResponse", "Vnf Deleted")
} catch (Exception ex) {
logger.debug("Exception occurred while executing AAI DELETE: {}", ex.getMessage(), ex)
exceptionUtil.buildAndThrowWorkflowException(execution, 5000, "Internal Error - Occured during deleteGenericVnf")
}
}
// construct and send a DELETE request to A&AI to delete the Base or Add-on Vf Module
public void deleteVfModule(DelegateExecution execution) {
def responseData = ""
try {
String vnfId = execution.getVariable("DAAIVfMod_vnfId")
String vfModuleId = execution.getVariable("DAAIVfMod_vfModuleId")
AAIResourceUri uri = AAIUriFactory.createResourceUri(AAIObjectType.VF_MODULE, vnfId, vfModuleId)
getAAIClient().delete(uri)
execution.setVariable("DAAIVfMod_deleteVfModuleResponseCode", 200)
execution.setVariable("DAAIVfMod_deleteVfModuleResponse", "Vf Module Deleted")
} catch (Exception ex) {
logger.debug("Exception occurred while executing AAI PUT: {}", ex.getMessage(), ex)
exceptionUtil.buildAndThrowWorkflowException(execution, 5000, "Internal Error - Occured during deleteVfModule")
}
}
// parses the output from the result from queryAAIForGenericVnf() to determine if the Vf Module
// to be deleted exists for the specified Generic Vnf and if it is the Base Module,
// there are no Add-on Modules present
public void parseForVfModule(DelegateExecution execution) {
GenericVnf genericVnf = execution.getVariable("DAAIVfMod_queryGenericVnfResponse")
def delModuleId = execution.getVariable("DAAIVfMod_vfModuleId")
logger.debug("Vf Module to be deleted: " + delModuleId)
execution.setVariable("DAAIVfMod_genVnfRsrcVer", genericVnf.getResourceVersion())
execution.setVariable("DAAIVfMod_moduleExists", false)
execution.setVariable("DAAIVfMod_isBaseModule", false)
execution.setVariable("DAAIVfMod_isLastModule", false)
if(genericVnf.getVfModules()!= null && !genericVnf.getVfModules().getVfModule().isEmpty()){
Optional<org.onap.aai.domain.yang.VfModule> vfModule = genericVnf.getVfModules().getVfModule().stream().
filter{ v -> v.getVfModuleId().equals(delModuleId)}.findFirst()
if(vfModule.isPresent()){
execution.setVariable("DAAIVfMod_moduleExists", true)
execution.setVariable("DAAIVfMod_vfModRsrcVer", vfModule.get().getResourceVersion())
if (vfModule.get().isBaseVfModule && genericVnf.getVfModules().getVfModule().size() != 1) {
execution.setVariable("DAAIVfMod_parseModuleResponse",
"Found Vf Module Id " + delModuleId + " for Generic Vnf Id " +
execution.getVariable("DAAIVfMod_vnfId") + ": is Base Module, not Last Module")
execution.setVariable("DAAIVfMod_isBaseModule", true)
} else {
if (vfModule.get().isBaseVfModule && genericVnf.getVfModules().getVfModule().size() == 1) {
execution.setVariable("DAAIVfMod_parseModuleResponse",
"Found Vf Module Id " + delModuleId + " for Generic Vnf Id " +
execution.getVariable("DAAIVfMod_vnfId") + ": is Base Module and Last Module")
execution.setVariable("DAAIVfMod_isBaseModule", true)
execution.setVariable("DAAIVfMod_isLastModule", true)
} else {
if (genericVnf.getVfModules().getVfModule().size() == 1) {
execution.setVariable("DAAIVfMod_parseModuleResponse",
"Found Vf Module Id " + delModuleId + " for Generic Vnf Id " +
execution.getVariable("DAAIVfMod_vnfId") + ": is Not Base Module, is Last Module")
execution.setVariable("DAAIVfMod_isLastModule", true)
} else {
execution.setVariable("DAAIVfMod_parseModuleResponse",
"Found Vf Module Id " + delModuleId + " for Generic Vnf Id " +
execution.getVariable("DAAIVfMod_vnfId") + ": is Not Base Module and Not Last Module")
}
}
}
logger.debug(execution.getVariable("DAAIVfMod_parseModuleResponse"))
}
}
if (execution.getVariable("DAAIVfMod_moduleExists") == false) { // (execution.getVariable("DAAIVfMod_moduleExists") == false)
logger.debug("Vf Module Id " + delModuleId + " does not exist for Generic Vnf Id " + execution.getVariable("DAAIVfMod_vnfId"))
execution.setVariable("DAAIVfMod_parseModuleResponse",
"Vf Module Id " + delModuleId + " does not exist for Generic Vnf Id " +
execution.getVariable("DAAIVfMod_vnfName"))
}
}
// parses the output from the result from queryAAIForGenericVnf() to determine if the Vf Module
// to be deleted exists for the specified Generic Vnf and if it is the Base Module,
// there are no Add-on Modules present
public void parseForResourceVersion(DelegateExecution execution) {
GenericVnf genericVnf = execution.getVariable("DAAIVfMod_queryGenericVnfResponse")
execution.setVariable("DAAIVfMod_genVnfRsrcVer", genericVnf.getResourceVersion())
logger.debug("Latest Generic VNF Resource Version: " + genericVnf.getResourceVersion())
}
// generates a WorkflowException if the A&AI query returns a response code other than 200
public void handleAAIQueryFailure(DelegateExecution execution) {
logger.error(LoggingAnchor.FOUR, MessageEnum.BPMN_GENERAL_EXCEPTION_ARG.toString(),
"Error occurred attempting to query AAI, Response Code " + execution.getVariable("DAAIVfMod_queryGenericVnfResponseCode") + ", Error Response " + execution.getVariable("DAAIVfMod_queryGenericVnfResponse"),
"BPMN", ErrorCode.UnknownError.getValue());
def errorCode = 5000
// set the errorCode to distinguish between a A&AI failure
// and the Generic Vnf Id not found
if (execution.getVariable("DAAIVfMod_queryGenericVnfResponseCode") == 404) {
errorCode = 1002
}
exceptionUtil.buildAndThrowWorkflowException(execution, errorCode, execution.getVariable("DAAIVfMod_queryGenericVnfResponse"))
}
// generates a WorkflowException if
// - the A&AI Vf Module DELETE returns a response code other than 200
// - the Vf Module is a Base Module that is not the last Vf Module
// - the Vf Module does not exist for the Generic Vnf
public void handleDeleteVfModuleFailure(DelegateExecution execution) {
def errorCode = 2000
def errorResponse = ""
if (execution.getVariable("DAAIVfMod_deleteVfModuleResponseCode") != null &&
execution.getVariable("DAAIVfMod_deleteVfModuleResponseCode") != 200) {
logger.debug("AAI failure deleting a Vf Module: " + execution.getVariable("DAAIVfMod_deleteVfModuleResponse"))
errorResponse = execution.getVariable("DAAIVfMod_deleteVfModuleResponse")
logger.debug("DeleteAAIVfModule - deleteVfModuleResponse" + errorResponse)
errorCode = 5000
} else {
if (execution.getVariable("DAAIVfMod_isBaseModule", true) == true &&
execution.getVariable("DAAIVfMod_isLastModule") == false) {
// attempt to delete a Base Module that is not the last Vf Module
logger.debug(execution.getVariable("DAAIVfMod_parseModuleResponse"))
errorResponse = execution.getVariable("DAAIVfMod_parseModuleResponse")
logger.debug("DeleteAAIVfModule - parseModuleResponse" + errorResponse)
errorCode = 1002
} else {
// attempt to delete a non-existant Vf Module
if (execution.getVariable("DAAIVfMod_moduleExists") == false) {
logger.debug(execution.getVariable("DAAIVfMod_parseModuleResponse"))
errorResponse = execution.getVariable("DAAIVfMod_parseModuleResponse")
logger.debug("DeleteAAIVfModule - parseModuleResponse" + errorResponse)
errorCode = 1002
} else {
// if the responses get populated corerctly, we should never get here
errorResponse = "Unknown error occurred during DeleteAAIVfModule flow"
}
}
}
logger.error(LoggingAnchor.FIVE, MessageEnum.BPMN_GENERAL_EXCEPTION_ARG.toString(),
"Error occurred during DeleteAAIVfModule flow", "BPMN",
ErrorCode.UnknownError.getValue(), errorResponse);
exceptionUtil.buildAndThrowWorkflowException(execution, errorCode, errorResponse)
}
// generates a WorkflowException if
// - the A&AI Generic Vnf DELETE returns a response code other than 200
public void handleDeleteGenericVnfFailure(DelegateExecution execution) {
logger.error(LoggingAnchor.FIVE, MessageEnum.BPMN_GENERAL_EXCEPTION_ARG.toString(),
"AAI error occurred deleting the Generic Vnf", "BPMN",
ErrorCode.UnknownError.getValue(),
execution.getVariable("DAAIVfMod_deleteGenericVnfResponse"));
exceptionUtil.buildAndThrowWorkflowException(execution, 5000, execution.getVariable("DAAIVfMod_deleteGenericVnfResponse"))
}
}
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